1:250000 Agricultural Zoning Spatial Dataset of Helen City (1978)
收藏科学数据银行2023-11-06 更新2026-04-23 收录
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https://www.scidb.cn/detail?dataSetId=DS_6e7763027506465fa2623fddea1bcc1e
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资源简介：
a. Data content (data file/table name, including observation index content) Data File Name: 1:250000 Agricultural Zoning Spatial Dataset in Helen City (1978) Main content: HlAgroZone.shp b. Construction purpose This dataset mainly provides data support for the study of the evolution and degradation process of black soil quality. c. Service object Students and researchers engaged in research in soil science, agriculture, and agricultural ecology. d. Time range of data 1978 e. The spatial range and projection method of data Space scope: Hailun City, Heilongjiang Province
提供机构：
杜书立
创建时间：
2023-11-06
